The USNS Worthy (T-AGOS-14) was a modified Stalwart-class ocean surveillance ship operated by the United States Navy.
The Stalwart-class ocean surveillance ships were succeeded by the longer Victorious-class ocean surveillance ships. Worthy had an overall length of and a length of at its waterline. It had a beam of and a draft of . The surveillance ship had a displacement of at light load and at full load. It was powered by a diesel-electric system of four Caterpillar D-398 diesel-powered generators and two General Electric electric motors. This produced a total of that drove two shafts. It had a gross register tonnage of 1,584 and a deadweight tonnage of 786.
The Stalwart-class ocean surveillance ships had maximum speeds of . They were built to be fitted with the Surveillance Towed Array Sensor System (SURTASS) system. The ship had an endurance of thirty days. It had a range of and a speed of . Its complement was between thirty-two and forty-seven. Its hull design was similar to that of the s.
Stalwart-class ships were originally designed to collect underwater acoustical data in support of Cold War anti-submarine warfare operations in the 1980s. USNS Worthy was struck from the Navy registry in 1993 and modified to be Kwajalein Mobile Range Safety System (KMRSS) Worthy, a missile range instrumentation ship at Kwajalein Atoll's Ronald Reagan Ballistic Missile Defense Test Site, operated by the United States Army.